Service Overview

We provide targeted inspection, calibration and verification services for special equipment and safety accessories widely used by industrial clients. All projects follow applicable technical rules and generate traceable data and standardized reports for compliance management.

Vehicle Gas Cylinders

Periodic inspection and safety evaluation for vehicle CNG/LNG cylinders.

Appearance and structural checks
Valve and accessory inspection
Inspection record filing and report issuance

CNG/LNG Safety Valve Calibration (<10MPa)

Offline and online calibration service for safety valves below 10MPa.

Set pressure calibration
Sealing performance testing
Calibration records and certificates

CNG/LNG Safety Valve Calibration (>=10MPa)

Dedicated calibration service for high-pressure safety valve conditions.

High-pressure calibration procedures
Action consistency verification
Technical support for high-pressure systems

Industrial Cryogenic Vessels

Inspection service for cryogenic insulated vessels including key accessories.

Cylinder body and weld inspection
Cryogenic performance verification
Risk assessment and recommendations

Breathing Apparatus Testing

Testing service for composite and oxygen breathing apparatus used in emergency and industrial scenarios.

Tightness and functional testing
Critical component inspection
Maintenance cycle recommendations

LPG Cylinders

Standardized inspection service for LPG cylinders used in filling, storage and transportation.

Cylinder defect checks
Valve and accessory verification
Conclusion and reinspection recommendations

Fire-Fighting Welded Cylinders

Specialized inspection for welded cylinders used in fire-protection applications.

Weld integrity inspection
Pressure and sealing verification
Report and technical notes

Seamless Steel Cylinders

Inspection service for seamless steel cylinders and propane cylinders.

Structure and wall thickness checks
Valve function and sealing verification
Conformity judgement and traceability

Pressure Gauge Verification

Verification service to maintain accurate, stable and traceable pressure measurements.

Indication error verification
Repeatability and return error checks
Verification report and interval advice

Execution Standards

Performed in accordance with current national technical specifications for special equipment safety
Executed in line with metrology verification rules and calibration standards
All testing data remains traceable and is documented in standardized reports

Comprehensive Qualifications

Coverage across key inspection items including cylinders, safety valves, cryogenic vessels and pressure gauges.

Standardized Processes

Inspection work is executed through disciplined procedures for consistent results.

Traceable Reporting

Inspection results are delivered in standardized reports for internal records and regulatory review.

Inspection Process

A standardized workflow from project communication to report delivery and follow-up support

Requirement Review

Confirm project type, quantity, operating conditions and schedule.

Planning

Prepare the inspection plan and identify applicable standards and procedures.

On-site Inspection

Carry out inspection activities in accordance with procedures and record raw data.

Services